Merge pull request #1 from evancz/master

get changes from upstream
Extracted constants & methods
Fixed typo
Extracted constants
Extracted constants
Unified grammar style
Unified style
Improved indentation

See https://github.com/thSoft/elm-lang.org/commit/5bbb17b6cb8df3ef9244feb83ca5b4c5443d61fe#commitcomment-2529345
Renamings

See https://github.com/thSoft/elm-lang.org/commit/698e7090e7ef32ac4ddaedec24a0eb48425322eb#commitcomment-2529383
Fixed long lines & other code style improvements

See https://github.com/thSoft/elm-lang.org/commit/1a2fd11c5c395d2c694a6bd50b1845de3beecf22
Merge pull request #23 from thSoft/master

Extracted stuff in examples & documentation nitpicks